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CVE-2023-53878— Member Login Script 3.3 Client-Side Request Desynchronization Vulnerability

Quick assessment

Affected
Phpjabbers Member Login Script
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Phpjabbers Member Login Script是Phpjabbers开源的一个账户管理框架。 Phpjabbers Member Login Script 3.3版本存在环境问题漏洞，该漏洞源于存在客户端不同步漏洞，可能导致操纵HTTP请求处理。

AI Predicted 6.5 Difficulty: Easy EPSS 0.37% · P29

Affected Version Matrix 1

VendorProduct Version RangeStatus
Phpjabbers Member Login Script 3.3 affected
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I. Basic Information for CVE-2023-53878

Vulnerability Information
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Vulnerability Title
Member Login Script 3.3 Client-Side Request Desynchronization Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Member Login Script 3.3 contains a client-side desynchronization vulnerability that allows attackers to manipulate HTTP request handling by exploiting Content-Length header parsing. Attackers can send crafted POST requests with smuggled secondary requests to potentially bypass server-side request processing controls.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
HTTP请求的解释不一致性(HTTP请求私运)
Source: CVE Program / CVE List V5
Vulnerability Title
Phpjabbers Member Login Script 环境问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Phpjabbers Member Login Script是Phpjabbers开源的一个账户管理框架。 Phpjabbers Member Login Script 3.3版本存在环境问题漏洞，该漏洞源于存在客户端不同步漏洞，可能导致操纵HTTP请求处理。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Phpjabbers Member Login Script 3.3 -

II. Public POCs for CVE-2023-53878

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III. Intelligence Information for CVE-2023-53878

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Exploits & Public PoCs for CVE-2023-53878 (1)

Other References for CVE-2023-53878 (2)

IV. Related Vulnerabilities

Same vendor: Phpjabbers
Same weakness: CWE-444

V. Comments for CVE-2023-53878

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